This is a corner protector, this form made from a single modular part that look like an arrow, the edges have proportionally relation to each other so you can make many patterns with this single arrow. the original length is 200 mm, and the thickness is 4 mm, you can rescale it to1/4. but if you need any specific dimension, feel free to contact me. print this object with TPU filament or some other material like this and make your home safe. enjoy it